Quantum Brain

Papers

Live trends in quantum computing research, updated daily from arXiv.

Total Papers

27,881

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1,306

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Research Volume

13,141 papers in 12 months (+1% vs prior quarter)

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Papers by research theme (12 months). Hover for details.

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

6,169 papers found

Schrödingerization for quantum linear systems problems with near-optimal dependence on matrix queries

Yin Yang, Yue Yu, Long Zhang·Aug 19, 2025

We develop a quantum algorithm for linear algebraic equations $ A\bb{x} = \bb{b} $ from the perspective of Schrödingerization-form problems, which are characterized by a system of linear convection equations in one higher dimension. When $ A $ is pos...

Quantum Physics

Quantum algorithms to detect ODMR-active defects for quantum sensing applications

Pablo A. M. Casares, Yanbing Zhou, Utkarsh Azad +6 more·Aug 18, 2025

Spin defects in two-dimensional materials are a promising platform for quantum sensing. Simulating the defect's optical response and optically detected magnetic resonance (ODMR) contrast is key to identifying suitable candidates. However, existing si...

Quantum Physics

SimQFL: A Quantum Federated Learning Simulator with Real-Time Visualization

Ratun Rahman, Atit Pokharel, Md Raihan Uddin +1 more·Aug 17, 2025

Quantum federated learning (QFL) is an emerging field that has the potential to revolutionize computation by taking advantage of quantum physics concepts in a distributed machine learning (ML) environment. However, the majority of available quantum s...

PhysicsComputer Science

The Evolution of IBM's Quantum Information Software Kit (Qiskit): A Review of its Applications

Param Pathak, K. Tarakeshwar, Syed Sufiyan Ali +2 more·Aug 17, 2025

Quantum computing is being increasingly adopted for solving classically intractable problems across various domains. However, the availability of accessible and scalable software frameworks remains essential for practical experimentation and adoption...

Computer SciencePhysics

Trotter Simulation of Vibrational Hamiltonians on a Quantum Computer.

Shreyas Malpathak, Sangeeth Das Kallullathil, Ignacio Loaiza +3 more·Aug 16, 2025

Simulating vibrational dynamics is essential for understanding molecular structure, unlocking useful applications such as vibrational spectroscopy for high-fidelity chemical detection. Quantum algorithms for vibrational dynamics are emerging as a pro...

PhysicsMedicine

Parallel Data Processing in Quantum Machine Learning

Mehdi Ramezani, Sina Asadiyan Zargar, A. Bahrampour +2 more·Aug 16, 2025

We propose a Quantum Machine Learning (QML) framework that leverages quantum parallelism to process entire training datasets in a single quantum operation, addressing the computational bottleneck of sequential data processing in both classical and qu...

Physics

One, Two, Three: One Empirical Evaluation of a Two-Copy Shadow Tomography Scheme with Triple Efficiency

Viet T. Tran, R. Kueng·Aug 15, 2025

Shadow tomography protocols have recently emerged as powerful tools for efficient quantum state learning, aiming to reconstruct expectation values of observables with considerably fewer resources than traditional quantum state tomography. For the par...

Physics

Quantum Simulation of Collective Neutrino Oscillations in Dense Neutrino Environment

Shvetaank Tripathi, Sandeep Joshi, G. Rajpoot +1 more·Aug 15, 2025

Inside dense neutrino gases, such as neutron star mergers or core-collapse supernovae, collective neutrino effects cause the transformation of one neutrino flavour into another. Due to strong neutrino self-interactions in these environments, there is...

Physics

Magic tricycles: Efficient magic state generation with finite block-length quantum LDPC codes

Varun Menon, J. P. Bonilla-Ataides, Rohan K. Mehta +3 more·Aug 14, 2025

The preparation of high-fidelity non-Clifford (magic) states is an essential subroutine for universal quantum computation, but imposes substantial space-time overhead. Magic state factories based on high rate and distance quantum low-density parity c...

Physics

Reliable high-accuracy error mitigation for utility-scale quantum circuits

Dorit Aharonov, Ori Alberton, Itai Arad +36 more·Aug 14, 2025

Error mitigation is essential for unlocking the full potential of quantum algorithms and accelerating the timeline toward quantum advantage. As quantum hardware progresses to push the boundaries of classical simulation, efficient and robust error mit...

Quantum Physicscond-mat.str-el

Decoded quantum interferometry under noise

Kaifeng Bu, Weichen Gu, Dax Enshan Koh +1 more·Aug 14, 2025

Decoded quantum interferometry (DQI) is a recently proposed quantum optimization algorithm that exploits sparsity in the Fourier spectrum of objective functions, with the potential for exponential speedups over classical algorithms on suitably struct...

PhysicsComputer ScienceMathematics

Quantum Wavefront Correction Via Machine Learning for Satellite‐to‐Earth CV‐QKD

Nathan K. Long, Ziqing Wang, B. Dix-Matthews +4 more·Aug 14, 2025

State‐of‐the‐art free‐space continuous‐variable quantum key distribution (CV‐QKD) protocols use phase reference pulses to modulate the wavefront of a real local oscillator at the receiver, thereby compensating for wavefront distortions caused by atmo...

PhysicsEngineering

Simulating Mass-Dependent Decoherence in Quantum Computers: Baseline Signatures for Testing Gravity-Induced Collapse

V. Balaji, Samuel Punch·Aug 14, 2025

We present a quantum computing simulation study of mass-dependent decoherence models inspired by Penrose's gravity-induced collapse hypothesis. According to objective reduction (OR) theory, quantum superpositions become unstable when the gravitationa...

Computer SciencePhysics

Majorana braiding simulations with projective measurements

Philipp Frey, Themba Hodge, Eric Mascot +1 more·Aug 13, 2025

We summarize the key ingredients required for universal topological quantum computation using Majorana zero modes in networks of topological superconductor nanowires. Particular emphasis is placed on the use of both sparse and dense logical qubit enc...

Quantum PhysicsMesoscale Physics

Quantum circuit simulation with a local time-dependent variational principle

Aaron Sander, Maximilian Frohlich, Mazen Ali +6 more·Aug 13, 2025

Classical simulations of quantum circuits are vital for assessing potential quantum advantage and benchmarking devices, yet they require sophisticated methods to avoid the exponential growth of resources. Tensor network approaches, in particular matr...

Physics

Projective Measurements: Topological Quantum Computing with an Arbitrary Number of Qubits

Themba Hodge, Philipp Frey, Stephan Rachel·Aug 13, 2025

Topological quantum computing promises intrinsic fault tolerance by encoding quantum information in non-Abelian anyons, where quantum gates are implemented via braiding. While braiding operations are robust against local perturbations, a critical yet...

Physics

Extended parameter shift rules with minimal derivative variance for parameterized quantum circuits

Zhijian Lai, Jiang Hu, Dong An +1 more·Aug 12, 2025

Parameter shift rules (PSRs) are useful methods for computing arbitrary-order derivatives of the cost function in parameterized quantum circuits. The basic idea of PSRs is to evaluate the cost function at different parameter shifts, then use specific...

Quantum Physicsmath.OC

Robust quantum computational advantage with programmable 3050-photon Gaussian boson sampling

Hua-Liang Liu, Hao-Ru Su, Si-Qiu Gong +34 more·Aug 12, 2025

The creation of large-scale, high-fidelity quantum computers is not only a fundamental scientific endeavour in itself, but also provides increasingly robust proofs of quantum computational advantage (QCA) in the presence of unavoidable noise and the ...

Physics

Scalable Fluxonium-Transmon Architecture for Error Corrected Quantum Processors

Lukas Heunisch, Longxiang Huang, Stephan Tasler +8 more·Aug 12, 2025

We propose a hybrid quantum computing architecture composed of alternating fluxonium and transmon qubits, that are coupled via transmon tunable couplers. We show that this system offers excellent scaling properties, characterized by engineered zero $...

Physics

Color it, Code it, Cancel it: k-local dynamical decoupling from classical additive codes

Minh T. P. Nguyen, Maximilian Rimbach-Russ, Stefano Bosco·Aug 11, 2025

Dynamical decoupling is a central technique in quantum computing for actively suppressing decoherence and systematic imperfections through sequences of single-qubit operations. Conventional sequences typically aim to completely freeze system dynamics...

Quantum Physics
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